

⚡ Dominate your LS build with precision and power—spring into the fast lane!
The Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit (SK001) is a high-performance, drop-in upgrade designed for 15° LS heads. Featuring dual polished springs with up to 400 lbs of spring pressure, it ensures optimal valve control for engines ranging from mild daily drivers to 1000 hp turbocharged beasts. Compatible with stock rocker arms and multiple LS variants, this kit delivers reliable, race-ready performance with easy installation.
| ASIN | B0C5YDMPCX |
| Best Sellers Rank | #150,034 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Engine Valve Springs |
| Brand | Dynosty |
| Customer Reviews | 4.9 4.9 out of 5 stars (46) |
| Date First Available | May 22, 2023 |
| Item Weight | 4.42 pounds |
| Item model number | BTR SK001 |
| Manufacturer | Dynosty |
| Manufacturer Part Number | SK001 |
| Package Dimensions | 12.24 x 3.78 x 3.11 inches |
D**S
Quick delivery
Work great showed up fast
S**H
10/10
works great good stuff
T**Y
Great springs
Installed these on a turbo 5.3. I turn 7200 rpm on a regular basis it is very stable. I think I can turn it up higher yet without issue. It hits that rpm very quick with no fall off.
C**G
Really fast shipping
Item was exactly as described & worked great. Very happy with this purchase. Price was decent & shipping was quick. Arrived undamaged and in original packaging.
Trustpilot
5 days ago
2 months ago